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| author |  Rick Walsh <rickmwalsh@gmail.com> | 2015-09-12 12:10:54 +1000 |
|---|---|---|
| committer |  Dirk Hohndel <dirk@hohndel.org> | 2015-09-12 08:20:10 -0700 |
| commit | 304edb63ced5e3c47a854bebf373751e05d1b321 (patch) | |
| tree | cc07f11e475a75f65b77ffdf5e85ff98b49b5b96 /Documentation/user-manual_es.txt | |
| parent | af66ad9b6dcb331faf2073904c6c48813eb46c26 (diff) | |
| download | subsurface-304edb63ced5e3c47a854bebf373751e05d1b321.tar.gz | |
VPM-B: Calculate ceiling in deepest portion of dive
The Boyle's law compensation compares the ambient pressure to a baseline value,
and adjusts the theory bubble radius accordingly. Currently we use the ceiling
at the last user-entered waypoint (the start of the decompression phase) as the
baseline value. However, in a deep to shallow multi-level dive, decompression
can start earlier, and taking a shallower ceiling leads to a more aggressive
ascent. This is particularly noticeable if the user enters stops during ascent.
With this commit, we take the baseline ambient pressure for Boyle's law
compensation as the deeper of the:
(1) Ceiling prior to ascending during a user-entered portion of the dive, and
(2) Ceiling at the start of the last user-entered waypoint.
This makes the calculated profile more conservative for some deep to shallow
multi-level dives.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Diffstat (limited to 'Documentation/user-manual_es.txt')
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